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update documentation for the extract_global() method of the lammps.lammps class

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Axel Kohlmeyer
2021-04-01 09:31:54 -04:00
parent 029db1413e
commit c9652f3aa6
1 changed files with 5 additions and 6 deletions
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11
python/lammps/core.py
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@ -729,12 +729,11 @@ class lammps(object):
def extract_global(self, name, dtype=LAMMPS_AUTODETECT):
"""Query LAMMPS about global settings of different types.
This is a wrapper around the :cpp:func:`lammps_extract_global`
function of the C-library interface. Unlike the C function
this method returns the value and not a pointer and thus can
only return the first value for keywords representing a list
of values. The :cpp:func:`lammps_extract_global` documentation
includes a list of the supported keywords and their data types.
This is a wrapper around the :cpp:func:`lammps_extract_global` function
of the C-library interface. Since there are no pointers in Python, this
method will - unlike the C function - return the value or a list of
values. The :cpp:func:`lammps_extract_global` documentation includes a
list of the supported keywords and their data types.
Since Python needs to know the data type to be able to interpret
the result, by default, this function will try to auto-detect the data type
by asking the library. You can also force a specific data type. For that